Q: What are the prime factors of the number 42,343,532?

 A: 2, 7, 11, 17, 8087

Why are those the prime factors of the number 42,343,532?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 42,343,532

42,343,532
Factor Arrows
221,171,766
Factor Arrows
210,585,883
Factor Arrows
71,512,269
Factor Arrows
11137,479
Factor Arrows
178,087

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 7, 11, 17, 8087

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 17 x 8,087 = 42,343,532

This can also be written as 22 x 71 x 111 x 171 x 8,0871 = 42,343,532

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 42,343,532:


Ask a Question